© 2001 by Oxford University Press
Journal of the National Cancer Institute, Vol. 93, No. 6, 413-414,
March 21, 2001
© 2001 Oxford University Press
EDITORIAL |
Filling the Void: Urinary Markers for Bladder Cancer Risk and Diagnosis
Affiliations of authors: A. F. Gazdar, The Hamon Center for Therapeutic Oncology Research and Department of Pathology, The University of Texas Southwestern Medical Center, Dallas; B. Czerniak, Department of Pathology, The University of Texas M. D. Anderson Cancer Center, Houston.
Correspondence to: Adi F. Gazdar, M.D., The Hamon Center for Therapeutic Oncology Research, 6000 Harry Hines Blvd., Dallas, TX 753908593 (e-mail: gazdar@simmons.swmed.edu).
Because most advanced invasive or metastatic cancers have low cure rates, risk assessment and early detection of the clinically occult premalignant phases of neoplasia are of particular importance. The National Cancer Institute (Bethesda, MD) has recently implemented an innovative new program, the Early Detection Research Network (its website is http://cancer.gov.edrn), where clinicians and scientists collaborate closely to develop and validate new markers and technologies for achieving these goals.
For studies of risk assessment and early detection, carcinomas arising in the urinary bladder are as close to ideal as any of the cancers arising in the internal organs. Urinary bladders are highly accessible and can be monitored by a variety of noninvasive or minimally invasive techniques. The entire mucosal surface at risk, the bladder urothelium, can be examined and biopsy specimens can be taken via a simple endoscopic procedure; moreover, exfoliated cells or secreted products can be examined repeatedly in
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